Title : 
Focused Gaussian beams in the problem of holographic imaging
         
        
            Author : 
Popov, Alexei V. ; Vinogradov, Vladimir A.
         
        
            Author_Institution : 
Inst. of Terrestrial Magnetism, Ionosphere & Radiowave Propagation, Acad. of Sci., Troitsk, Russia
         
        
        
        
        
            fDate : 
9/1/2002 12:00:00 AM
         
        
        
        
            Abstract : 
A simplified scheme of microwave near-field radar is considered. Focused Gaussian beams form a functional basis for holographic migration. Two-frequency phase measurements are used for the target localization. Numerical examples are given.
         
        
            Keywords : 
Gaussian processes; approximation theory; electromagnetic fields; electromagnetic wave scattering; focusing; ground penetrating radar; holography; image reconstruction; phase measurement; radar imaging; radar resolution; focused Gaussian beams; functional basis; holographic imaging; maximum resolution; microwave near-field radar; near-field holographic subsurface radar; optical holography; parabolic approximation; reconstruction algorithm; scattering model; target localization; two-frequency phase measurements; Aperture antennas; Focusing; Holography; Image reconstruction; Light scattering; Microwave imaging; Optical imaging; Optical scattering; Radar scattering; Structural beams;
         
        
        
            Journal_Title : 
Antennas and Propagation, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TAP.2002.801280